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Finding the Fourth Proportional to 8,529.89, 11,770.89 and 4,753.22

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Solution

The fourth proportional to 8,529.89, 11,770.89 and 4,753.22 is: 6,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.89 : 11,770.89 = 4,753.22 : x
  2. Step 2: Convert to fraction form
    8,529.89/11,770.89 = 4,753.22/x
  3. Step 3: Cross multiply
    8,529.89x = 11,770.89 × 4,753.22
  4. Step 4: Simplify right side
    8,529.89x = 55,949,553.09
  5. Step 5: Solve for x
    x = 55,949,553.09/8,529.89
  6. Step 6: Final answer
    x = 6,559.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.